ROA's steady-seller 'Chojung Sparkling Water Gel', loved all over the world, contains 88% Chojung carbonated water instead of purified water, helping the absorption of the active ingredients in the product and providing a skin soothing effect. This is a natural carbonated water also called Chojeong mineral water and one of the world's three major mineral waters. It is full of ingredients beneficial to skin health, so much so that King Sejong of the Joseon Dynasty used it to treat eye disease. It contains carbon dioxide, carbonic acid gas, and minerals, making it excellent for removing waste from the skin and helping with blood circulation, contributing to alleviating swelling. This ultra-pure mineral water combines with ultra-pure fermented collagen to double the outstanding anti-aging effects, including cell regeneration, elasticity enhancement, soothing, moisturizing, and glowing effects. In addition, it does not contain any alcohol, so it can be used safely by anyone regardless of age or gender, and its moist and refreshing texture makes it highly accessible. Because it is an all-in-one product containing toner and lotion, anyone can use it easily and conveniently.